Bosch LTC-3361-41 Specsheet
CCTV | Varifocal Lenses
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Varifocal Lenses
High-quality optics
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1/3-inch and 1/2-inch formats
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Reliable, robust construction
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Focal length options
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Compact design
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Manual and DC-iris versions
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Manual focus and zoom control
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For optimizing angular fields right on site, varifocal lenses
are the most versatile and practical solution available.
These lenses allow for setting virtually any angle of field,
which maximizes surveillance effects. Installers do not
need to carry several different focal length lenses – and
installation is more efficient because they can find the
right angles of field without moving the camera set-up. If
the field-of-view requirements change after installation,
modification is simple by just altering the lens’ focal
length settings.
Functions
This series includes both manual and DC-iris varifocal
lenses. They are compact, rugged, and available in 1/3inch and 1/2- inch image formats. The series is organized
by sensitivity, optical resolution, and range to match the
wide range of Dinion camera applications.
These varifocal lenses come with a standard C or CS
mount for use with a variety of cameras. The DC-iris
control connection is a four-pin standard plug that fits
directly into the camera’s iris output. And the lenses
deliver impressive optical quality due to their high
standards for resolution, contrast reproduction, and
coating.
The mechanical construction is designed to withstand
both frequent DC-iris control operations and the
environmental stress of security installations. For flexible,
high-quality, reliable lenses that match a camera’s
performance, this varifocal series is the ideal solution.
Certifications and Approvals
Region Certification
Europe CE
Installation/Configuration Notes
4-pin DC-iris connector (front view)
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2 | Varifocal Lenses
Pin 1: Damping coil -
Pin 2: Damping coil +
Pin 3: Driving coil + (open)
Pin 4: Driving coil -
Lens type L mm (in) D mm (in)
LTC 3361/32 42 (1.65) 36 (1.42)
LTC 3361/41 59 (2.32) 44 (1.73)
LTC 3361/50 55(2.17) 34 (1.34)
LTC 3361/60 45.3 (1.78) 33 (1.3)
LTC 3371/21 59.2 (2.33) 42 (1.65)
LTC 3371/50 61.5 (2.42) 44 (1.73)
Lens Type L D H W
mm (in) mm (in) mm (in) mm (in)
LTC 3364/32 42 (1.65) 33 (1.3) 25.5 (1.0) 22.7 (0.89)
LTC 3364/41 59 (2.32) 41 (1.61) 26 (1.02) 26 (1.02)
LTC 3374/21 59.2 (2.33) 40 (1.57) 32 (1.26) 24.6 (0.97)
LTC 3664/40 59 (2.32) 44 (1.73) 26.2 (1.03) 26.4 (1.04)
LTC 3674/20 55.2 (2.17) 38 (1.5) 27.2 (1.07) 31 (1.22)
LTC 3764/20 53.9 (2.12) 40 (1.57) 31 (1.22) 24.6 (0.97)
LTC 3774/30 62 (2.44) 38.6 (1.52) 31.1 (1.22) 31.8 (1.25)
Lens Type L D H W
mm (in) mm (in) mm (in) mm (in)
LTC 3274/41 77 (3.03) 42 (1.65) 56.8 (2.24) 46.5 (1.83)
LTC 3364/21 44 (1.73) 35.2 (1.39) 45.7 (1.8) 40.4 (1.59)
LTC 3664/30 44.4 (1.75) 35.2 (1.39) 44.7 (1.76) 38.3 (1.51)
LTC 3364/50 55 (2.17) 34 (1.34) 46 (1.81) 40 (1.57)
LTC 3364/60 45.3 (1.78) 33 (1.3) 46.5 (1.83) 39 (1.54)
LTC 3374/50 61.5 (2.42) 44 (1.73) 52.2 (2.06) 44.4 (1.75)
Technical Specifications
Electrical/mechanical
See comparison table at the end of this datasheet.
Environmental
Operating Temperature -10°C to+50°C (+14°F to +122°F)
Storage Temperature -40°C to +70°C (-40°F to + 158°F)
Operating Humidity Up to 93% non-condensing
Certification CE (DC-iris models)
Ordering Information
LTC 3361/50 Varifocal Lens
1/3-inch, 2.8 – 10 mm, manual-iris, CSmount F1.4-close
LTC 3364/50 Varifocal Lens
1/3-inch, 2.8 – 10 mm, DC-iris, CS-mount,
F1.4-360, 4 pin
LTC 3361/60 Varifocal Lens
1/3-inch, 3.5 – 8 mm, manual-iris, CS-mount
F1.4-close
LTC 3364/60 Varifocal Lens
1/3-inch, 3.5 – 8 mm, DC-iris, CS-mount
F1.4-360, 4-pin
LTC 3361/32 Varifocal Lens
1/3-inch, 3.0 – 8 mm, manual-iris, CSmount F1.0-close
LTC3361/50
LTC3364/50
LTC3361/60
LTC3364/60
LTC3361/32
Ordering Information
LTC 3364/32 Varifocal Lens
1/3-inch, 3.0 to 8 mm, DC-iris, CS-mount
F1.0-360, 4-pin
LTC 3361/41 Varifocal Lens
1/3-inch, 2.8 to 12 mm, manual-iris, CSmount F1.4-close
LTC 3364/41 Varifocal Lens
1/3-inch, 2.8 to 12 mm, DC-iris, CS-mount
F1.4-360, 4-pin
LTC 3371/50 Varifocal Lens
1/3-inch, 5 – 50 mm, manual iris, CS-mount
F1.7-close
LTC 3374/50 Varifocal Lens
1/3-inch, 5 – 50 mm, DC-iris, CS-mount
F1.7-360, 4-pin
LTC 3371/21 Varifocal Lens
1/3-inch, 5 to 50 mm, manual iris, CS-mount
F1.4-close
LTC 3374/21 Varifocal Lens
1/3-inch, 5 to 50 mm, DC-iris, CS-mount
F1.4-360, 4-pin
LTC 3364/21 Varifocal Lens IR corrected
1/3-inch, 2.8 – 6 mm, DC-iris, CS-mount
F1.4-200, 4-pin
LTC 3664/30 Varifocal Lens IR corrected
1/3-inch, 3.0 – 8 mm, DC-iris, CS-mount
F1.0-360, 4-pin
LTC 3664/40 Varifocal Lens IR corrected
1/3-inch, 2.8 – 11 mm, DC-iris, CS-mount
F1.4-360, 4-pin
LTC 3674/20 Varifocal Lens IR corrected
1/3-inch, 7.5 – 50 mm, DC-iris, CS-mount
F1.3-360, 4-pin
LTC 3764/20 Varifocal Lens IR corrected
1/2-inch, 4 – 12 mm, DC-iris, C-mount
F1.2-360, 4-pin
LTC 3774/30 Varifocal Lens IR corrected
1/2-inch, 10 – 40 mm, DC-iris, C-mount
F1.4-360, 4-pin
LTC 3274/41 Varifocal Lens
1/2-inch, 7.5 – 75 mm, DC-iris, C-mount,
F1.7-360, 4-pin
Accessories
S1374 Adapter
converts C mount lens to CS mount camera
Varifocal Lenses | 3
LTC 3364/32
LTC 3361/41
LTC 3364/41
LTC3371/50
LTC3374/50
LTC 3371/21
LTC 3374/21
LTC3364/21
LTC3664/30
LTC3664/40
LTC 3674/20
LTC 3764/20
LTC 3774/30
LTC3274/41
S1374
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